A cross section of soil at Ralph Lake. Note disturbance - Windthrow(?). Soil #2

A cross section of soil at Ralph Lake after the 1967 fire. Dump till. Soil #3.

A man in a red shirt standing near Ralph Lake after the 1967 fire. Clay soil general view. Soil #4.

A cross section view of clay soil at Ralph Lake. Soil #4

A close up view of grass at Ralph Lake. Soil#4

A view of Shallow Soil/Bedrock in Ralph Lake. Soil#5

Unburnt - logged 1948 & 1967 - near Sioux Lookout -
general view

Soil #60

Unburnt - soil pit - near Sioux Lookout

Near Sioux Lookout - April 1968 fire - general view